Protective circuit

Details Protective circuit Protective circuit

2007-05-08

2009-02-17

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S091100, C361S111000

Reexamination Certificate

active

07492561

ABSTRACT:
A protective circuit for protecting an electronic circuit from transient excess voltages, in particular, a series connection of at least two voltage-limiting circuit components being provided between a first connection terminal and a second connection terminal of an input of the protective circuit, each of the two voltage-limiting circuit components having at least one semiconductor element. At least one output terminal is provided at an output for connecting the electronic circuit to be protected to the protective circuit, the output terminal being connected to a circuit node disposed between the two voltage-limiting circuit components.

REFERENCES:
patent: 4254442 (1981-03-01), Dijkmans et al.
patent: 5654862 (1997-08-01), Worley et al.
patent: 7130175 (2006-10-01), Dietz et al.

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